<template>
  <div>
    <li>
      <label>
        <input type="checkbox" :checked="todoObj.done" @change="handleCheck(todoObj.id)"/>
        <span>{{todoObj.title}}</span>
      </label>
      <button class="btn btn-danger" @click="handleDelete(todoObj.id)">删除</button>
    </li>
  </div>
</template>

<script>
export default {
  name:'TodoItem',
  props:['todoObj'],
  methods:{
    handleCheck(id){
      //通知App组件将对应id的Todo对象done取反
      this.$bus.$emit('checkTodo',id)
    },
    handleDelete(id){
      //通知App组件删除todo
      this.$bus.$emit('deleteTodo',id)
      
        
    }
  }
}
</script>

<style scoped>
  /*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}

li:hover {
  background-color: #ddd;
}

li:hover button {
  display: block;
}
</style>